<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avater_box">
        <img src="../assets/logo.png"
             alt="">

      </div>
      <!-- 登录表单区域 -->
      <el-form :model="loginFrom"
               class="login_form"
               label-width="0px"
               :rules="loginFromRulrs"
               ref="loginFormRef">
        <!-- 账号 -->
        <el-form-item prop="username">
          <el-input prefix-icon="el-icon-user-solid"
                    v-model="loginFrom.username"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item>
          <el-input prefix-icon="el-icon-lock"
                    v-model="loginFrom.password"
                    type="password"></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form-item class="btns">
          <el-button class="btns"
                     type="primary"
                     @click="login">登录</el-button>
          <el-button type="info"
                     @click="resetLoginFrom">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>


export default {
  data () {
    return {
      //这是登录表单的数据绑定对象
      loginFrom: {
        username: 'admin',
        password: '123456'
      },
      loginFromRulrs: {
        username: [{ required: true, message: '请输入活动名称', trigger: 'blur' },
        { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }]

      }
    }
  },
  methods: {
    resetLoginFrom () {
      this.$refs.loginFormRef.resetFields();
    },
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return;
        const { data: res } = await this.$http.post("login", this.loginFrom);
        if (res.meta.status !== 200) return this.$message.error("登录失败");
        this.$message.success("登录成功");
        window.sessionStorage.setItem("token", res.data.token);
        this.$router.push("/home")
      })
    }
  },
}

</script>
<style lang="less" scoped>
.login_container {
  background-color: antiquewhite;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: rgb(71, 77, 83);
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avater_box {
  height: 130px;
  width: 130px;
  border-radius: 50%;
  border: 1px solid #eee;
  padding: 10px;
  box-shadow: 0 0 10px;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
// .btns {
//   display: flex;
//   justify-content: flex-end;
// }
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>